/**
* INTERNAL: This methods clones all the fields and ensures that each collection refers to the
* same clones.
*/
@Override
public Object clone() {
VariableOneToOneMapping clone = (VariableOneToOneMapping) super.clone();
Map setOfKeys = new HashMap(getSourceToTargetQueryKeyNames().size());
Map sourceToTarget = new HashMap(getSourceToTargetQueryKeyNames().size());
Vector foreignKeys =
org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(
getForeignKeyFields().size());
if (getTypeField() != null) {
clone.setTypeField((DatabaseField) this.getTypeField().clone());
}
for (Iterator enumtr = getSourceToTargetQueryKeyNames().keySet().iterator();
enumtr.hasNext(); ) {
// Clone the SourceKeyFields
DatabaseField field = (DatabaseField) enumtr.next();
DatabaseField clonedField = (DatabaseField) field.clone();
setOfKeys.put(field, clonedField);
// on the next line I'm cloning the query key names
sourceToTarget.put(clonedField, getSourceToTargetQueryKeyNames().get(field));
}
for (Enumeration enumtr = getForeignKeyFields().elements(); enumtr.hasMoreElements(); ) {
DatabaseField field = (DatabaseField) enumtr.nextElement();
foreignKeys.addElement(setOfKeys.get(field));
}
clone.setSourceToTargetQueryKeyFields(sourceToTarget);
clone.setForeignKeyFields(foreignKeys);
clone.setTypeIndicatorTranslation(new HashMap(this.getTypeIndicatorTranslation()));
return clone;
}
/**
* INTERNAL: Return the typeIndicatorName translation Used by the Mapping Workbench to avoid
* classpath dependencies
*/
public Map getTypeIndicatorNameTranslation() {
if (typeIndicatorNameTranslation.isEmpty() && !typeIndicatorTranslation.isEmpty()) {
Iterator keysEnum = typeIndicatorTranslation.keySet().iterator();
Iterator valuesEnum = typeIndicatorTranslation.values().iterator();
while (keysEnum.hasNext()) {
Object key = keysEnum.next();
Object value = valuesEnum.next();
if (key instanceof Class) {
String className = ((Class) key).getName();
typeIndicatorNameTranslation.put(className, value);
}
}
}
return typeIndicatorNameTranslation;
}